https://docs.datasette.io/en/stable/plugin_hooks.html#menu-links-datasette-actor

• menu_links(datasette, actor)
• table_actions(datasette, actor, database, table)
• database_actions(datasette, actor, database)

All three of these should optionally also accept the request object. This would allow them to take into account additional cookies, Authorization headers or the current request URL (including the domain/subdomain) - or even access request.scope for extra context that might have been passed down from ASGI middleware.